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distribution analysis characterization of niobium on the vertical section of casting of superalloypneumatic platewheel

Wang Haizhou,Li Meiling,Zhuang Jingyun

Strategic Study of CAE 2011, Volume 13, Issue 10, Pages 19-27

Abstract: style="text-align: justify;">The distribution of niobium on the vertical section of casting of GH169 superalloypneumatic plate wheel was studied by original position statistic distribution analysis technique inThe biggest segregation degrees of niobium in different areas of pneumatic plate wheel vertical sectionthe homogeneity and statistic fitting degree of niobium in the vertical section of casting of GH169 superalloypneumatic plate wheel accurately for quality control.

Keywords： original position statistic distribution analysis superalloy pneumatic plate wheel niobium statistic

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Design of damping valve for vehicle hydro pneumatic suspension

DONG Mingming, HUANG Hua, GU Lian

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 1, Pages 97-100 doi: 10.1007/s11465-008-0014-5

Abstract: According to the design features of a hydro pneumatic spring, the necessity of a separate damping valveThe design method and damping valve structure are useful guides for hydro pneumatic suspension, especially

Keywords： ability pneumatic necessity flowrate equivalent linearization

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Design and modeling of a novel soft parallel robot driven by endoskeleton pneumatic artificial muscles

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0678-2

Abstract: light weight, high efficiency, non-polluting characteristic, and environmental adaptability provide pneumaticthis paper, a soft robot with 10 soft modules, comprising three uniformly distributed endoskeleton pneumatic

Keywords： pneumatic artificial muscles soft robot modeling approach principle of virtual work external load

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LCF behavior and life prediction method of a single crystal nickel-based superalloy at high temperature

Zhihua ZHANG,Huichen YU,Chengli DONG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4, Pages 418-423 doi: 10.1007/s11465-015-0362-x

Abstract:

Low cycle fatigue tests were conducted on the single crystal nickel-based superalloy, DD6, with different

Keywords： life prediction single crystal superalloy low cycle fatigue (LCF) crystallographic orientation strain

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A pneumatic cylinder driving polyhedron mobile mechanism

Wan DING, Sung-Chan KIM, Yan-An YAO

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1, Pages 55-65 doi: 10.1007/s11465-012-0301-z

Abstract:

A novel pneumatic cylinder driving polyhedron mobile mechanism is proposed in this paper.The mechanism is comprised of 5 tetrahedrons which includes a pneumatic cylinder in each edge.

Keywords： mobile mechanism polyhedron cylinder

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Multi-objective optimization of surface texture for the slipperswash plate interface in EHA pumps

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0704-4

Abstract: multi-objective optimization model to obtain the arbitrarily surface textures design of the slipper/swash plateimprovement in mechanical and volumetric efficiency by 1.4% and 0.8%, respectively, with the textured swash plate

Keywords： electro-hydrostatic actuator axial piston pump slipper/swash plate interface multi-objective optimization

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Simulation of horizontal slug-flow pneumatic conveying with kinetic theory

GU Zhengmeng, GUO Liejin

Frontiers in Energy 2007, Volume 1, Issue 3, Pages 336-340 doi: 10.1007/s11708-007-0050-6

Abstract: Wavelike slug-flow is a representative flow type in horizontal pneumatic conveying.can represent the physical characteristics of the non-suspension dense phase flow of wavelike slug pneumaticThe experiment in this paper introduced a new idea for the numerical calculation of slug-flow pneumatic

Keywords： velocity distribution detailed slug-flow gas-solid theory

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WEIS wheel speed real-time measuring method for VOSM

Mengyao PAN, Guixiong LIU, Xiaobin HONG, Tusheng LIN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 322-327 doi: 10.1007/s11465-010-0022-0

Abstract: Wheel speed is one of the key parameters of vehicle operating attitude.To solve the problems in traditional wheel speed measuring methods, such as low measurement precisionand the lack of real-time monitoring of the vehicle’s operating attitude, a wheel embedded intelligentsensors (WEIS) wheel speed measuring method for vehicle operating safety states monitoring (VOSM) isand adopting short-time Fourier transform (STFT) algorithm to extract the signal characteristics, the wheel

Keywords： wheel embedded intelligent sensing wheel speed monitoring

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Design and experiment of a novel pneumatic soft arm based on a deployable origami exoskeleton

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0770-2

Abstract: Soft arms have shown great application potential because of their flexibility and compliance in unstructured environments. However, soft arms made from soft materials exhibit limited cargo-loading capacity, which restricts their ability to manipulate objects. In this research, a novel soft arm was developed by coupling a rigid origami exoskeleton with soft airbags. The joint module of the soft arm was composed of a deployable origami exoskeleton and three soft airbags. The motion and load performance of the soft arm of the eight-joint module was tested. The developed soft arm withstood at least 5 kg of load during extension, contraction, and bending motions; exhibited bistable characteristics in both fully contracted and fully extended states; and achieved a bending angle of more than 240° and a contraction ratio of more than 300%. In addition, the high extension, contraction, bending, and torsional stiffnesses of the soft arm were experimentally demonstrated. A kinematic-based trajectory planning of the soft arm was performed to evaluate its error in repetitive motion. This work will provide new design ideas and methods for flexible manipulation applications of soft arms.

Keywords： pneumatic soft arm soft airbag deployable origami exoskeleton bistable characteristics cargo-loading

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Simulation and analysis of grinding wheel based on Gaussian mixture model

Yulun CHI, Haolin LI

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4, Pages 427-432 doi: 10.1007/s11465-012-0350-3

Abstract: presents an application of numerical simulation technique for the generation and analysis of the grinding wheelIt shows that the simulated grinding wheel topographies are similar with the measured and can be effective

Keywords： grinding wheel 3D topographies measurement Gaussian mixture model simulation

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Fatigue and impact analysis and multi-objective optimization design of Mg/Al assembled wheel considering

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0701-7

Abstract: The multi-material assembled light alloy wheel presents an effective lightweight solution for new energyand impact performance of the punching riveting connected magnesium/aluminum alloy (Mg/Al) assembled wheelThe punching riveting process parameters of the assembled wheel joints were defined as design variables, and the fatigue and impact performance of the assembled wheel was defined as the optimization objectiveThe connection-performance integration multi-objective optimization design of the assembled wheel considering

Keywords： magnesium/aluminum assembled wheel riveting residual stress fatigue analysis impact analysis multi-objective

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Lightening structure optimization on turbine wheel of vehicular turbocharger

ZHAO Junsheng, MA Chaochen, HU Liaoping

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 422-426 doi: 10.1007/s11708-008-0098-y

Abstract: Based on basic principle of optimization design, structure optimization of turbine is conducted using optimization module of ANSYS and APDL in order to get the minimum turbine weight. Meanwhile, the original blade profile and flow passage are maintained, and the structural strength of the turbine are guaranteed. Considering assembly technique and cast requirement, the structure of the modified turbine is determined which can save 6.91 percent of the material compared with the original one. The modified turbine not only saved material, but also gained better effect of mass distribution between the turbine and the compressor impeller. The result can provide useful reference to engineering application of turbocharger.

Keywords： requirement technique engineering application turbocharger reference

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Modular crawling robots using soft pneumatic actuators

Nianfeng WANG, Bicheng CHEN, Xiandong GE, Xianmin ZHANG, Wenbin WANG

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1, Pages 163-175 doi: 10.1007/s11465-020-0605-3

Abstract: In this work, several crawling robots are developed using two types of soft pneumatic actuators (SPAs

Keywords： soft robot soft pneumatic actuator kinematic model crawling robot modular design

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Numerical simulation and experimental research on the wheel brush sampling process of an asteroid sampler

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0732-0

Abstract: characteristics of the microgravity force and the weathered layer on an asteroid surface, a symmetric wheelTo study the influence of the wheel brush rotation speed on the sampling efficiency and the driving torquerequired for the wheel brush, the contact dynamics model between particles and sampling wheel brushesThe relationship between the speed of the wheel brush and the driving torque of the wheel brush motorhigher, and the driving torque required for the sampling wheel brush is greater.

Keywords： asteroid sampling wheel brush sampler discrete element method parameter calibration experimental

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Research on wheel load spectrum for the steel deck pavement design of Taizhou Bridge

Li Hongtao,Pan Youqiang and Zhang Zhixiang

Strategic Study of CAE 2012, Volume 14, Issue 5, Pages 85-89

Abstract: The traffic volume and loading of truck of Yangtze River Bridge are analyzed by wheel load spectrum.The paper gives the truck wheel load and typical wheel load ratio in Jiangsu Province.

Keywords： Yangtze River Bridges wheel load spectrum wheel load type traffic volume traffic loading